HAL : in2p3-00023997, version 1

DOI : 10.1103/PhysRevC.60.057301

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Physical Review C 60 (1999) 057301

Electromagnetic transitions and $\alpha$ decay of the $^{223}$Pa nucleus

F. Hoellinger1, B.J.P. Gall1, N. Schulz1, N. Amzal, P.A. Butler, P.T. Greenlees, D. Hawcroft, J.F.C. Cocks, K. Helariutta, P.M. Jones, R. Julin, S. Juutinen, H. Kankaanpää, H. Kettunen, P. Kuusiniemi, M. Leino, M. Muikku, D. Savelius

(1999)

Actinides with N~132 present the best explored region of pear shape nuclei. Still almost no spectroscopic information is available for the heaviest elements, Z=91–98, which are predicted to be octupole instable. The lack of data for the latter nuclei results from the high fission probability encountered in the heavy-ion reactions used to populate them. In order to overcome this handicap, an alpha -decay tagging technique was used to identify gamma rays in 223Pa produced through the 208Pb(19F,4n) reaction. A new value of 4.9(4) ms for the half-life of 223Pa was obtained as a by-product

1 :	IReS - Institut de Recherches Subatomiques

Thème(s)

:

Physique/Physique Nucléaire Expérimentale

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Soumis le : Jeudi 7 Avril 2005, 09:00:11

Dernière modification le : Vendredi 8 Avril 2005, 12:15:53